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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 383 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Engine Front Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: CMP Sensor And Connector
    GM1968149Courtesy of GENERAL MOTORS CORP.
  1. Remove the water pump. Refer to Water Pump Replacement .
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Disconnect the camshaft position sensor wire harness electrical connector (1) from the CMP actuator magnet.
  4. Disconnect the engine harness electrical connector (2) from the CMP sensor wire harness electrical connector.
    5. Fig 2: Oil Pan-To-Front Cover Bolts
    GM832976Courtesy of GENERAL MOTORS CORP.
  5. Remove the oil pan-to-front cover bolts (1).
    6. Fig 3: Front Cover, Bolts And Gasket
    GM1658162Courtesy of GENERAL MOTORS CORP.
  6. Remove the front cover bolts (501).
  7. Remove the front cover (502) and gasket (503).
  8. Discard the front cover gasket.
  9. Remove the crankshaft front oil seal.
    10. Fig 4: CMP Sensor, CMP Sensor Wire Harness And Bolts
    GM1968314Courtesy of GENERAL MOTORS CORP.
  10. If replacing the engine front cover perform the following steps, otherwise proceed to step 10 of the installation procedure.
  11. Remove the CMP sensor wire harness bolts (1).
  12. Disconnect the CMP sensor wire harness from the CMP sensor.
  13. Remove the CMP sensor wire harness (2).
    14. Fig 5: CMP Sensor And O-Ring
    GM1658166Courtesy of GENERAL MOTORS CORP.
  14. Remove the CMP sensor (703).
    15. Fig 6: CMP Actuator Magnet, Bolts, Gasket And Oil Seal
    GM1658168Courtesy of GENERAL MOTORS CORP.
  15. Remove the CMP actuator magnet bolts (751), and magnet (752).
  16. Remove and discard the CMP actuator magnet gasket (753).
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